AUMA SA 07.2 - 12.3. Fuses

Features and functions
Monitoring the motor temperature in combination with thermoswitches within actuator
motor
Standard:Motor protection evaluation
●
Thermal overload relay in controls combined with thermoswitches within actuator
●
PTC tripping device in combination with PTC thermistors within actuator motor
Options:
Protection of the actuator and control electronics against overvoltages on the fieldbus cables of up to 4
kV
Overvoltage protection (option)
AUMA plug/socket connector with screw-type connectionStandard:Electrical connection
Gold-plated control plug (sockets and plugs)Option:
Metric threadsStandard:Threads for cable entries
●
Pg-threads, NPT-threads, G-threads
●
Terminals or crimp-type connection
Options:
Refer to name plateWiring diagram
Settings/programming the Modbus RTU interface
Baud rate, parity and Modbus address are set via the display of actuator controlsSetting the Modbus RTU interface
General data of the Modbus RTU interface
Modbus RTU according to IEC 61158 and IEC 61784Communication protocol
●
Line (fieldbus) structure.When using repeaters, tree structures can also be implemented.
●
Coupling and uncoupling of devices during operation without affecting other devices is possible.
Network topology
Twisted, screened copper cable according to IEC 61158Transmission medium
EIA-485 (RS-485)Fieldbus interface
Redundant line topology:
Possible cable length with repeat-
er (total network cable length)
Max. cable length (segment
length) without repeater
Baud rate (kbit/s)
approx. 10 km1,200 m9.6 – 115.2
Redundant ring topology:
Max. possible cable length of re-
dundant loop
Max. cable length between actuat-
ors (without repeater)
Baud rate (kbit/s)
approx. 290 km1,200 m9.6 – 115.2
Transmission rate/cable length
Modbus slave, e.g. devices with digital and/or analogue inputs/outputs such as actuators, sensorsDevice types
32 devices in each segment without repeater, with repeaters expandable to 247Number of devices
Polling between master and slaves (query response)Fieldbus access
01 Read Coil Status
02 Read Input Status
03 Read Holding Registers
04 Read Input Registers
05 Force Single Coil
15 (0FHex) Force Multiple Coils
06 Preset Single Register
16 (10Hex) Preset Multiple Registers
17 (11Hex) Report Slave ID
08 Diagnostics:
●
00 00 Loopback
●
00 10 (0AHex) Clear Counters and Diagnostic Register
●
00 11 (0BHex) Return Bus Message Count
●
00 12 (0CHex) Return Bus Communication Error Count
●
00 13 (0DHex) Return Bus Exception Error Count
●
00 14 (0EHex) Return Slave Message Count
●
00 15 (0FHex) Return Slave No Response Count
●
00 16 (10Hex) Return Slave NAK Count
●
00 17 (11Hex) Return Slave Busy Count
●
00 18 (12Hex) Return Character Overrun Count
Supported Modbus functions (ser-
vices)
85
SA 07.2 – SA 16.2/SAR 07.2 – SAR 16.2 Control unit - electromechanical
AC 01.2 Intrusive Modbus RTU Technical data